Sink



FIG. 1 is a front perspective view of a sink according to a first embodiment;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a cross-sectional view along line 8-8 of FIG. 6;

FIG. 9 is a rear perspective view thereof; and,

FIG. 10 is a rear view of a sink according to a second embodiment. 

CLAIM The ornamental design for a sink, as shown and described. 